The Singer's Manual of English Diction

Diction Italian, Latin, French, German...the Sounds and 81 Exercises for Singing Them

International Phonetic Alphabet for Singers: A Manual for English and Foreign Language Diction

Webster's New World Italian Dictionary: Italian/English, English/Italian

Singer's Italian: A Manual of Diction and Phonetics

Diction for Singers

A Handbook of Diction for Singers: Italian, German, French

A Pronouncing Dictionary of American English

English Lyric Diction Workbook, 3rd Edition, Student Manual Student Manual

The Musician's Guide to Aural Skills: Sight-Singing, Rhythm-Reading, Improvisation, and Keyboard Skills (Second Edition) (Vol. 1)

The Musician's Guide to Theory and Analysis Anthology (Third Edition)